AWS AgentCore Harness Bypass Exposed a Cross-Platform Vulnerability Class in Agent Runtimes
Source: Forkast.news· Blair Hayes· August 22, 2026
The AgentCore Harness Bypass: A Structural Vulnerability A critical vulnerability in the AWS Bedrock AgentCore harness, identified as CVE-2026-18830, has exposed a fundamental flaw in how agentic systems process tool execution requests. With a CVSS score of 8…
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